The product is a genuine Samsung 256GB mSATA SSD (SM841n) designed for laptops. It features a compact 1.8-inch form factor and is compatible with internal SSD drive types. With a storage capacity of 256GB, this SSD is a reliable and high-performance option for enhancing the speed and efficiency of your computer system. The model number for this specific SSD is SM841n, ensuring that you are getting an authentic and quality product.